Castile Resources Ltd · ASX:CST
Castile Resources — Investor Presentation (October 2025)
16 slides from Castile Resources's investor presentation, Oct 21, 2025
Slide 1: Castile Resources Ltd – Gold and Downstream Critical Minerals
Image Supplied By Epiroc OCTOBER 2025 CASTILE RESOURCES LTD Gold and Downstream Critical Minerals G O L D | CO P P E R | CO B A LT | M A G N E T I T E ASX:CST OCTOBER 2025 CASTILE.COM.AU OTCQB:CLRSF
Slide 2: Competent Person Statement and General Disclaimer
ASX:CST | OTCQB:CLRSF COMPETENT PERSON STATEMENT The information contained in this presentation has been previously reported by the Company on 12 February 2020, 3 December 2019, ASX: CST 27 September 2022 Annual Report, ASX:CST 5 December 2022 Rover 1 Preliminary Feasibility Study Outcomes, ASX:CST
Slide 3: International Disclaimer
ASX:CST | OTCQB:CLRSF INTERNATIONAL DISCLAIMER These presentation materials and the accompanying verbal presentation (together, the Presentation Materials) have been prepared by Castile Resources ACN 124 314 085. These Presentation Materials are for information purposes only. The Presentation Materi
Slide 4: The Rover 1 Project
ROVER 1 : A HIGH-GRADE IRON OXIDE COPPER GOLD (IOCG) PROJECT ASX:CST | OTCQB:CLRSF THE ROVER 1 PROJECT PRE-TAX NPV6.5 A$451.4M USING $A2,640/oz (CURRENT PRICE ~A$5,100/oz) GOLD AND & DOWNSTREAM CRITICAL METALS FPO Shares on Issue 300M PRODUCED IN AUSTRALIA Share Price -1 Year Low/High $0.05/$0.15 Ma
Slide 5: Rover 1: A Rich, High-Grade IOCG Deposit
DRILLING HIGHLIGHTS ASX:CST | OTCQB:CLRSF ROVER 1 A RICH, HIGH-GRADE IOCG DEPOSIT Bonanza High Grade Gold Intercepts Copper Intercepts 30.4m @ 36.50 g/t Au 21m @ 6.86% Cu from 506.5m in 20CRD001 from 469m in WGR1D011 7m @ 125.93 g/t Au 27m @ 4.75% Cu from 542m in WGR1D034 from 429m in WGR1D024-1 20m
Slide 6: Gold and Copper Driving the Valuation
GOLD AND COPPER DRIVING THE VALUATION ASX:CST | OTCQB:CLRSF GOLD COPPER ~30,000oz ~7,000t Annual Production Annual Production Gold Price Copper Price ~A$6500/oz ~A$17,000/t 16 Oct 2025 https://www.goldprice.org 16 Oct 2025 https://tradingeconomics.com/ US$5.00/lb, FX A$0.65 6
Slide 7: Bonus Downstream Critical Mineral By-Products
BONUS DOWNSTREAM CRITICAL MINERAL BY-PRODUCTS ASX:CST | OTCQB:CLRSF BISMUTH COBALT HIGH GRADE In Concentrate Sulphate MAGNETITE *Rover 1 has a Total Mineral Resource of Current US$33,335/t Current US$234/t 300tpa 8,900t Bismuth Bankable Feasibility Study to determine downstream pathway 75,300tpa Ann
Slide 8: Beneficiation in Tennant Creek – Refining in Darwin
MULTIPLE REVENUE STREAMS – KEY METALS GOLD AND COPPER ASX:CST | OTCQB:CLRSF BENEFICIATION IN TENNANT CREEK - REFINING IN DARWIN ROVER 1: INDICATIVE FLOWSHEET Bismuth Concentrate Five 8
Slide 9: Gold, Copper and Bismuth Increases in the MRE
GOLD COPPER AND BISMUTH INCREASES IN THE MRE ASX:CST | OTCQB:CLRSF Primary Metals • Gold has increased by 26,100oz (up 8%) to 341,300oz (A$6,500/oz1 ~Current Gold Price) • Copper has increased by 14,200t (up 17%) to 97,400t (A$17,000/t2 ~Current Copper Price) By-Products • Bismuth has increased by 3
Slide 10: Critical Mineral Bismuth – Global Production
CRITICAL MINERAL BISMUTH – GLOBAL PRODUCTION ASX:CST | OTCQB:CLRSF Refined Bismuth Output by Country, 2023-2024e 13,000 China 13,300 1,100 Laos 1,150 Rover 1 Mineral Resource Estimate 1,000 1,000 Bismuth China’s annual production of~13,000 tpa of refined Korea, Republic of Indicated 6,300t bismuth r
Slide 11: Mining and Beneficiation
MINING AND BENEFICIATION ASX:CST | OTCQB:CLRSF ROVER 1 SITE: PROPOSED BENEFICIATION PLANT DESIGN Fine Ore Bin Flotation Plant LIM’s Plant SAG Mill Crushers Electrical and Storage Tonnes Au Cu Co Fe3O4 Au Cu Co Fe3O4 (Mt) (g/t) (%) (%) (%) (oz) (t) (t) (t) Probable Ore 3.11 2.02 1.52 0.07 22.92 201,8
Slide 12: Downstream Refining in Australia
DOWNSTREAM REFINING IN AUSTRALIA ASX:CST | OTCQB:CLRSF MIDDLE ARM SUSTAINABLE DEVELOPMENT PRECINCT IN DARWIN • A purpose-built precinct for downstream critical mineral processing and access to renewable energy production • Local skilled workforce • Access to port, rail, road and communications infra
Slide 13: Passive Seismic Survey - Ambient Noise Tomography (ANT)
PASSIVE SEISMIC SURVEY - AMBIENT NOISE TOMOGRAPHY (ANT) ASX:CST | OTCQB:CLRSF The first exploration THE ROVER MINERAL FIELD HAS ANT Surveys at Pathfinder 35 and 38 OVER 100 IOCG TARGETS are complete PERFECTLY SUITED TO TESTING WITH ANT TECHNOLOGY ANT Survey is currently underway at Rover 5 ANT Surve
Slide 14: The Richest Gold Copper District in Australian Mining History
THE RICHEST GOLD COPPER DISTRICT IN AUSTRALIAN MINING HISTORY ASX:CST | OTCQB:CLRSF THE ROVER MINERAL FIELD – A STRATIGRAPHIC COPY OF THE TENNANT CREEK MINERAL FIELD The Rover Mineral Field is believed to be a stratigraphic repetition of the rich Tennant Creek Field. Four drilling programs have all
Slide 15: Castile Resources
ASX:CST | OTCQB:CLRSF CASTILE RESOURCES • DEVELOPING THE ROVER 1 MINE TO PRODUCE GOLD AND DOWNSTREAM CRITICAL MINERALS COPPER AND COBALT • ONE OF THE FEW BISMUTH MINERAL RESOURCES IN THE WORLD • DOWNSTREAM SUPPLY OF CRITICAL MINERALS PRODUCED IN A TIER 1 MINING JURSIDICTION • SEEKING STRATEGIC PARTN
Slide 16: Contact
Image Supplied By Epiroc CONTACT MARK HEPBURN Managing Director Castile Resources Limited www.castile.com.au ASX:CST info@castile.com.au OTCQB:CLRSF
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